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ribosomes
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traits
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Genetics
| Term | Definition |
|---|---|
| ribosomes | makes proteins using directions from DNA |
| traits | different forms of a characteristic (dimples: present or absent) |
| recessive | trait that hides in the background (lowercase letter) can only be expressed in homozygous form (dd) |
| heredity | passing of physical characteristics from parents to offspring |
| genetics | scientific study of heredity |
| mitosis | cell reproduction - when one body cell becomes two |
| homozygous | two alleles/letters for one trait that are the same (DD or dd) |
| genotype | combination of alleles (letters): DD, Dd, dd |
| gene | factor that controls a trait you exhibit |
| nucleous | contains DNA and controls cell activities |
| proteins | building blocks of cells that control your specific characteristics |
| alleles | letters that represent the different forms of a gene (dimples: D=present, d=absent) |
| dominent | trait that overshadows and is expressed (capital letter) |
| phenotype | physical appearance of a trait (ex: dimples, no dimples) |
| heterozygous | two alleles/letters for one trait that are different (Ex: Dd) |
| meiosis | produces four sex cells, sperm or egg that are used to pass a parent's traits to offspring |
| DNA | contains your genes |
| this trait would be represented by a "B" or "D" or "Z" | dominent |
| this trait would be represented by a "b" or "d" or "z" | recessive |
| BB or bb; DD or dd; ZZ or zz would represent a | recessive genotype |
| Bb, Dd, and Zz would represent a | dominant genotype |
| Law of Segregation | two parts of a gene pair of alleles separate from each other in the formation of sex cells. Half of the sex cells carry one allele and the other half carry the other allele |
| Law of Independent Assortment | traits are passed on independently of traits from parent to offspring |
| two alleles/letters for one trait that are different | heterozygous |
| the letters that represent different forms of a gene | alleles |
| two alleles/letters for one trait that are the same | homozygous |
| combination of alleles | geneotype |
Created by:
garrettrojo